feat: issue certificate success

src/main.rs

@@ -8,11 +8,13 @@ use structopt::StructOpt;
 
 mod app;
 mod service;
-mod main2;
+mod cert;
 
 pub fn main() {
     init_logger();
-    main2::test_main();
+    let cert = cert::issue_certificate("example.com");
+    println!("{:#?}", cert);
+    println!("{}", cert.cert_pem);
     panic!("END");
 
     let opt = Some(Opt::from_args());